Servo door-closer

Servo door-closer

  • CN 103,946,469 A
  • Filed: 11/06/2012
  • Published: 07/23/2014
  • Est. Priority Date: 11/18/2011
  • Status: Active Application
First Claim
Patent Images

1. servo door closer (1), comprisesDriven shaft (2),Act on described driven shaft (2) driving mechanism (3) being connected,For store door leaf close energy, be applied to the mechanical energy memory on described driving mechanism (3),Act on described driven shaft (2) motor/generator unit (5) being connected, andFor store for the auxiliary energy of door leaf, with the energy storage (6) of described motor/generator unit (5) electrical connection.

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